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3.3 Types of chemical reactions

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Question 3

Two unlabelled aqueous solutions, A and B, are tested. Solution A has a pH of 3 and solution B has a pH of 11.

Explain what the pH results show about the concentration of hydrogen ions compared with the concentration of hydroxide ions in each solution.

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3.3 Types of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /3.3 Types of chemical reactions

112 exam-style questions on OCR GCSE Chemistry 3.3 Types of chemical reactions, covering 3.3.1 Oxidation and reduction in terms of oxygen, 3.3.2 Acids, alkalis and neutralisation, 3.3.3 The pH scale and measuring pH, 3.3.4 Oxidation and reduction in terms of electrons, 3.3.5 Dilute and concentrated, weak and strong acids, and 3.3.6 Hydrogen ion concentration and pH. Each one has a worked solution and a mark scheme showing where the marks go.

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